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Jeremy
Jeremy, Certified Truck/Bus Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 2946
Experience:  ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician
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Why won't my 10 spd smart shift shift into gh range?

Customer Question

Why won't my 10 spd smart shift shift into high range ?
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Jeremy replied 1 year ago.

My name is ***** ***** I will assist you.

Most times ot is due to the splitter valve on the transmission itself. It gets debris or water from the tanks in it. It will get cold and freeze then not shift. It's a very common complaint on the transmission in the cooler weather.

Have the valve removed and cleaned or replaced the issue will go away after that.

Expert:  Jeremy replied 1 year ago.

I see you viewed this and this is still showing as a open question due to no positive (3 stars or more) rating.

Did you still need assistance with this?

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